diff --git a/src/Mustache/Cache.php b/src/Mustache/Cache.php
index 4797cdf..1561efc 100644
--- a/src/Mustache/Cache.php
+++ b/src/Mustache/Cache.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of Mustache.php.
+ *
+ * (c) 2012 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 interface Mustache_Cache
 {
     public function load($key);
diff --git a/src/Mustache/Cache/AbstractCache.php b/src/Mustache/Cache/AbstractCache.php
index 7120536..dc67387 100644
--- a/src/Mustache/Cache/AbstractCache.php
+++ b/src/Mustache/Cache/AbstractCache.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of Mustache.php.
+ *
+ * (c) 2012 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 abstract class Mustache_Cache_AbstractCache implements Mustache_Cache
 {
     private $logger = null;
diff --git a/src/Mustache/Cache/FilesystemCache.php b/src/Mustache/Cache/FilesystemCache.php
index 28e6c0c..8b100ef 100644
--- a/src/Mustache/Cache/FilesystemCache.php
+++ b/src/Mustache/Cache/FilesystemCache.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of Mustache.php.
+ *
+ * (c) 2012 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 class Mustache_Cache_FilesystemCache extends Mustache_Cache_AbstractCache
 {
     private $baseDir;
diff --git a/src/Mustache/Cache/NoopCache.php b/src/Mustache/Cache/NoopCache.php
index 1452c64..df3fbf0 100644
--- a/src/Mustache/Cache/NoopCache.php
+++ b/src/Mustache/Cache/NoopCache.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of Mustache.php.
+ *
+ * (c) 2012 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 class Mustache_Cache_NoopCache extends Mustache_Cache_AbstractCache
 {
     public function load($key)
diff --git a/test/Mustache/Test/Cache/FilesystemCacheTest.php b/test/Mustache/Test/Cache/FilesystemCacheTest.php
index f5ff91f..07e4a12 100644
--- a/test/Mustache/Test/Cache/FilesystemCacheTest.php
+++ b/test/Mustache/Test/Cache/FilesystemCacheTest.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of Mustache.php.
+ *
+ * (c) 2012 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 /**
  * @group functional
  */